Home / 196,819.92-271,617.48-111,949.20

Finding the Fourth Proportional to 196,819.92, 271,617.48 and 111,949.20

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Solution

The fourth proportional to 196,819.92, 271,617.48 and 111,949.20 is: 154,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,819.92 : 271,617.48 = 111,949.20 : x
  2. Step 2: Convert to fraction form
    196,819.92/271,617.48 = 111,949.20/x
  3. Step 3: Cross multiply
    196,819.92x = 271,617.48 × 111,949.20
  4. Step 4: Simplify right side
    196,819.92x = 30,407,359,592.02
  5. Step 5: Solve for x
    x = 30,407,359,592.02/196,819.92
  6. Step 6: Final answer
    x = 154,493.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.